Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/5/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/06/2025 19:04:38 0.15, -89.51 1.06, -85.34 475.05 80
2 11/08/2025 07:29:08 -0.11, -89.49 0.15, -90.61 127.78 80
3 11/09/2025 07:07:46 -0.14, -89.49 -0.91, -86.10 386.50 80
4 11/10/2025 19:32:26 0.09, -89.50 -0.36, -91.40 217.42 80
5 11/11/2025 19:11:04 0.12, -89.51 0.70, -86.89 297.91 80
6 11/13/2025 07:35:34 -0.08, -89.51 0.50, -92.17 302.70 80
7 11/14/2025 07:14:12 -0.11, -89.51 -0.51, -87.64 212.55 80
8 11/15/2025 19:38:52 0.06, -89.53 -0.69, -92.96 390.63 80
9 11/16/2025 19:17:30 0.08, -89.54 0.32, -88.43 125.57 80
10 11/18/2025 07:42:00 -0.03, -89.55 0.87, -93.71 473.03 80
11 11/19/2025 07:20:38 -0.06, -89.56 -0.13, -89.19 42.62 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/5/2025
SNOs_Map_GOES-17_NOAA-21_20251106.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/05/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21